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Table 2 Descriptive statistics of the results for dyad and individual data (including ICC)

From: What interdependence can tell us about collaborative learning: a statistical and psychological perspective

Ā 

N

M

SD

% Decrease in SD

ICC

Individual

Dyad

Individual

Dyad

Without MC

ā€ƒPerformance pre

42

21

10.10

1.86

1.01

45.70

āˆ’ā€‰.41

ā€ƒPerformance post

42

21

11.50

1.76

1.62

7.95

.67

ā€ƒConfidence pre

42

21

11.52

2.73

2.03

25.64

.11

ā€ƒConfidence post

42

21

15.31

2.24

1.78

20.54

.26

With MC

ā€ƒPerformance pre

40

20

9.83

2.09

1.34

35.89

āˆ’ā€‰.17

ā€ƒPerformance post

40

20

12.28

1.49

1.21

18.79

.31

ā€ƒConfidence pre

40

20

11.20

2.13

1.57

26.29

.08

ā€ƒConfidence post

40

20

14.13

2.46

2.19

10.98

.56

Overall

ā€ƒPerformance pre

82

41

9.96

2.00

1.17

41.50

āˆ’ā€‰.28

ā€ƒPerformance post

82

41

11.88

1.67

1.47

11.98

.55

ā€ƒConfidence pre

82

41

11.37

2.44

1.81

25.82

.09

ā€ƒConfidence post

82

41

14.73

2.41

2.05

14.94

.44